import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        while (scan.hasNext()) {
            double n = scan.nextDouble();
            double r = scan.nextDouble();
            double c = 2 * 3.14 * r;
            if (c >= n) {
                System.out.println("Yes");
            } else {
                System.out.println("No");
            }
        }
    }
}